Display panel and electronic device

Abstract

Disclosed are a display panel including a light emitting panel, and a color conversion panel facing the light emitting panel, wherein the color conversion panel being converts an emission spectrum of light emitted from the light emitting panel, wherein the color conversion panel may include a color conversion layer including a plurality of regions including a color conversion region, and bank defining each region of the color conversion layer, the color conversion region may include quantum dots, and a refractive index of the bank is lower than a refractive index of the quantum dots, and an electronic device including the same.

What is claimed is: 
     
       1. A display panel, comprising:
 a light emitting panel, and 
 a color conversion panel facing the light emitting panel, wherein the color conversion panel converts an emission spectrum of light emitted from the light emitting panel, 
 wherein the color conversion panel comprises: 
 a color conversion layer comprising a plurality of regions, the plurality of regions comprising a color conversion region, and 
 a bank defining each region of the color conversion layer, 
 wherein the color conversion region comprises quantum dots, 
 wherein a refractive index of the bank is lower than a refractive index of the quantum dots, and 
 wherein the bank is a transflective bank having a transmittance of about 10% to about 70%. 
 
     
     
       2. The display panel of  claim 1 , wherein:
 each of the refractive indexes of the quantum dots at wavelengths of about 460 nm, about 550 nm, and about 630 nm is about 1.6 to about 2.0, and 
 the refractive index of the bank at wavelengths of about 460 nm, about 550 nm, and about 630 nm is about 1.1 to about 1.4. 
 
     
     
       3. The display panel of  claim 2 , wherein a difference between the refractive index of the quantum dots and the refractive index of the bank is about 0.2 to about 0.8. 
     
     
       4. The display panel of  claim 1 , wherein the color conversion region and the bank are in direct contact. 
     
     
       5. The display panel of  claim 1 , wherein the bank comprises a plurality of pigments and a plurality of scatterers, wherein the plurality of pigments has a different absorption spectra than the plurality of scatterers. 
     
     
       6. The display panel of  claim 5 , wherein the plurality of pigments comprise at least two selected from a first pigment having a maximum absorption wavelength in a range of greater than or equal to about 380 nm and less than about 500 nm, a second pigment having a maximum absorption wavelength in a range of about 500 nm to about 600 nm, and a third pigment having a maximum absorption wavelength in a range of greater than about 600 nm and less than or equal to about 780 nm. 
     
     
       7. The display panel of  claim 5 , wherein the plurality of scatterers comprise silicon oxide, zinc oxide, titanium oxide, tantalum oxide, niobium oxide, tin oxide, magnesium oxide, nanosilicate, calcium carbonate, calcium fluoride, porogen, or a combination thereof. 
     
     
       8. The display panel of  claim 1 , wherein:
 the bank comprises: 
 a first bank between the adjacent color conversion regions, and 
 a second bank connected to or separated from the first bank and protruding toward the light emitting panel. 
 
     
     
       9. The display panel of  claim 8 , wherein the second bank is connected to the first bank and comprises the same material as the first bank. 
     
     
       10. The display panel of  claim 1 , wherein:
 the light emitting panel comprises a light emitting element emit light of a first emission spectrum, 
 the color conversion layer comprises: 
 a first color conversion region comprising a first quantum dot, wherein the first color conversion region converts light of the first emission spectrum into light of a second emission spectrum, 
 a second color conversion region comprising a second quantum dot, wherein the second color conversion region converts light of the first emission spectrum into light of a third emission spectrum, and 
 a light transmitting region through which light of the first emission spectrum passes, and 
 the refractive indexes of the bank at a wavelength of the first, second, and third emission spectra are respectively lower than the refractive indexes of the first quantum dot and the second quantum dot at a wavelength of the first, second, and third emission spectra. 
 
     
     
       11. The display panel of  claim 10 , wherein:
 the first emission spectrum is a blue emission spectrum, 
 the second emission spectrum is a red emission spectrum, and 
 the third emission spectrum is a green emission spectrum. 
 
     
     
       12. The display panel of  claim 1 , wherein the color conversion panel further comprises a color filter layer positioned in a direction in which light passing through the color conversion layer is emitted. 
     
     
       13. The display panel of  claim 1 , further comprising a light transmitting layer between the light emitting panel and the color conversion panel. 
     
     
       14. The display panel of  claim 1 , wherein the light emitting panel comprises an organic light emitting diode, a quantum dot light emitting diode, a perovskite light emitting diode, a micro light emitting diode, an inorganic nano light emitting diode, or a combination thereof. 
     
     
       15. The display panel of  claim 14 , wherein the light emitting panel emits light of a blue emission spectrum. 
     
     
       16. The display panel of  claim 14 , wherein the inorganic nano light emitting diode comprises a nanostructure comprising gallium nitride, indium gallium nitride, aluminum gallium nitride, or a combination thereof. 
     
     
       17. An electronic device comprising the display panel of  claim 1 . 
     
     
       18. A display panel, comprising:
 a light emitting panel, and 
 a color conversion panel facing the light emitting panel, wherein the color conversion panel converts an emission spectrum of light emitted from the light emitting panel, 
 wherein the color conversion panel comprises: 
 a color conversion layer comprising a plurality of regions, the plurality of regions comprising a color conversion region, and 
 a bank defining each region of the color conversion layer, 
 wherein the color conversion region comprises quantum dots, 
 wherein a refractive index of the bank is lower than a refractive index of the quantum dots, and 
 wherein the bank concurrently satisfies a refractive index of about 1.1 to about 1.4 and a transmittance of about 10% to about 70% at wavelengths of about 460 nm, about 550 nm, and about 630 nm. 
 
     
     
       19. A display panel, comprising:
 a light emitting panel, and 
 a color conversion panel facing the light emitting panel, wherein the color conversion panel converts an emission spectrum of light emitted from the light emitting panel, 
 wherein the color conversion panel comprises: 
 a color conversion layer comprising a plurality of regions, the plurality of regions comprising a color conversion region, and 
 a bank defining each region of the color conversion layer, 
 wherein the color conversion region comprises quantum dots, 
 wherein a refractive index of the bank is lower than a refractive index of the quantum dots, 
 wherein: 
 the bank comprises: 
 a first bank between the adjacent color conversion regions, and 
 a second bank connected to or separated from the first bank and protruding toward the light emitting panel, and 
 wherein: 
 a surface of the first bank is hydrophilic, and 
 a surface of the second bank is hydrophobic.